Bourns CHF Series Resistor

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Designated the CHF Series, these lightweight resistors are suitable for use in RF and microwave applications.  Package styles include chip, surface mount and flanged. This series is suited for a range of RF and microwave applications including high power amplifiers, isolators, Wilkinson combiners, power dividers and absorptive filters. Construction material consists of either an aluminum nitride or beryllium body with a proprietary resistor element. The devices are optimized for 50ohm characteristic impedance using special manufacturing techniques to reduce voltage standing wave ratio (VSWR). Power ratings range from 10W to 250W with a low return loss up to 4GHz.


  • Lightweight
  • Package styles: chip, surface mount and flanged
  • Optimized for 50Ω characteristic impedance
  • Power ratings range: 10W to 250W
  • Low return loss up to 4GHz


  • RF
  • Microwave
  • High Power Amplifiers
  • Isolators
  • Wilkinson Combiners
  • Power Dividers
  • Absorptive Filters